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Module 4·25% of the exam

IP Connectivity — Routing

Static, default, and OSPFv2 — plus FHRP for redundancy.

Routers connect different IP networks. This module covers how a router decides where to forward a packet, the difference between connected/static/default routes, single-area OSPFv2 in detail, and how First-Hop Redundancy Protocols keep gateways alive.

5 chapters2h reading25% weightPro module
ARIA· module 4 intro

Welcome to module 4. Static, default, and OSPFv2 — plus FHRP for redundancy. I'll meet you again at the top of every chapter — this module's worth roughly 25% of the exam, so don't rush it. Pick chapter 4.1 below to start.

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Anyone can browse the syllabus. To actually read chapter content, you'll need a free account — that opens Module 1: Network Fundamentals end-to-end, the lab, and ARIA. Modules 2–8 unlock with Pro.

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  1. 4.1

    How a router forwards a packet

  2. 4.2

    Static, default, host, and floating routes (IPv4 + IPv6)

  3. 4.3

    Administrative distance and metrics

  4. 4.4

    OSPFv2 single-area

  5. 4.5

    First-Hop Redundancy Protocols (HSRP, VRRP, GLBP)

Module 3
Network Access — Switching, VLANs, STP, Wireless
Module 5
IP Services
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A browser-native network lab and networking course, beginner to advanced. Free account opens Module 1 + a 3-device lab; Pro unlocks the rest.

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  • 2 · Addressing
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  • 4 · Connectivity
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